Adult tennis racket head size midsize racket head size 645 cm head size inches 100 sq in stringing 16 x 19 levels professional advanced type of racket all round racket recommended height from 155 cm weight unstrung 285 g racket balance even stiffness 72 ra frame material graphite shape oval length 685 cm length inches 27 technologies babolat gt babolat aero modular babolat fis season 2016 additional information the offers may vary i